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However, it may also affect other parts of your body, like your legs, neck or arms
In an ideal situation, as your body uses B12, you are replenishing your B12 levels by eating foods that contain the vitamin, such as meat, fish, eggs, and dairy
The limited volume that the nasal cavity can accommodate, approximately 100-200 microliters per nostril without runoff, means that higher concentrations deliver more peptide per spray
Vitamin B12 deficiency in over 16s: diagnosis and management (NG239) Full guideline PDF
JAMA, 288(3), 321-333
Crystagen (Glu-Asp-Pro tripeptide) is a synthetic bioregulatory tripeptide
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